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FZUS53 KDLH 190908
NSHDLH

Nearshore Marine Forecast
National Weather Service Duluth MN
308 AM CST Wed Nov 19 2025

For waters within five nautical miles of shore on Lake Superior.

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LSZ140-191700-
Grand Portage to Grand Marais MN-
308 AM CST Wed Nov 19 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...

.TODAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the afternoon. Chance of rain late in the afternoon. Waves 1 to
3 feet.
.TONIGHT...Southwest wind 15 to 20 knots with gusts to around
25 knots. Rain likely in the evening, then rain after midnight.
Waves 3 to 5 feet.
.THURSDAY...West wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots with gusts to around 20 knots
late in the afternoon. Rain likely in the morning. Waves 3 to
5 feet subsiding to 1 to 3 feet late in the afternoon.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet.

$$

LSZ141-191700-
Grand Marais to Taconite Harbor MN-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 10 to 15 knots. Slight chance of rain
early in the afternoon. Chance of rain late in the afternoon.
Waves 1 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and overnight. Rain likely in the evening, then
rain after midnight. Waves 1 to 3 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots.
Chance of rain in the morning. Waves 1 to 3 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 foot or less.

$$

LSZ142-191700-
Taconite Harbor to Silver Bay Harbor MN-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of rain
early in the afternoon. Chance of rain late in the afternoon.
Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Chance of rain in the
evening, then rain likely after midnight. Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots with gusts to around
20 knots. Chance of rain in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
early in the evening then 20 knots after midnight. Mostly clear.
Waves 1 foot or less.

$$

LSZ143-191700-
Silver Bay Harbor to Two Harbors MN-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 10 to 15 knots. Slight chance of rain in
the afternoon. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
late in the evening. Chance of rain in the evening, then rain
likely after midnight. Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots. Gusts up to 20 knots in the
late morning and early afternoon. Chance of rain and drizzle in
the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 5 to 10 knots. Gusts up to 20 knots
after midnight. Mostly clear. Waves 1 foot or less.

$$

LSZ144-191700-
Two Harbors to Duluth MN-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of rain in
the afternoon. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Chance of rain in the
evening, then rain likely after midnight. Waves 1 to 2 feet.
.THURSDAY...West wind 5 to 10 knots rising to 10 to 15 knots with
gusts to around 20 knots in the afternoon. Chance of drizzle in
the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves
1 foot or less.

$$

LSZ145-191700-
Duluth MN to Port Wing WI-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of rain in
the afternoon. Waves 1 foot or less.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
late in the evening. Chance of rain in the evening, then rain
likely after midnight. Waves 1 to 2 feet.
.THURSDAY...Southwest wind 10 to 15 knots becoming west with
gusts to around 20 knots in the afternoon. Chance of rain and
drizzle in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. Waves
1 to 2 feet.

$$

LSZ146-191700-
Port Wing to Sand Island WI-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of rain late
in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the late evening and overnight. Chance of rain in the evening,
then rain likely after midnight. Waves 1 to 2 feet.
.THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots.
Chance of rain in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 knots rising to 10 to 15 knots in
the late evening and overnight. Gusts up to 20 knots. Partly
cloudy. Waves 1 to 2 feet.

$$

LSZ147-191700-
Sand Island to Bayfield WI-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Slight chance of rain late
in the afternoon. Waves 1 foot or less.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots
early in the morning. Chance of rain in the evening, then rain
likely after midnight. Waves 1 to 2 feet.
.THURSDAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Chance of rain in the morning.
Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 2 feet.

$$

LSZ150-191700-
Outer Apostle Islands Beyond 5 NM from Mainland-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 10 to 15 knots. Slight chance of rain
late in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts to around
20 knots. Chance of rain in the evening, then rain likely after
midnight. Waves 1 to 3 feet.
.THURSDAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Gusts up to 20 knots. Chance of rain in the morning.
Waves 1 to 2 feet building to 1 to 3 feet in the late morning and
afternoon.
.THURSDAY NIGHT...West wind 10 to 15 knots with gusts to around
20 knots. Partly cloudy. Waves 1 to 3 feet.

$$

LSZ121-191700-
Chequamegon Bay-Bayfield to Oak Point WI-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.TONIGHT...Southwest wind 5 to 10 knots. Chance of rain. Waves
1 foot or less.
.THURSDAY...Southwest wind 5 to 10 knots with gusts to around
20 knots becoming west with gusts to around 20 knots in the
afternoon. Chance of rain in the morning. Waves 1 foot or less.
.THURSDAY NIGHT...West wind 5 to 10 knots. Partly cloudy. Waves
1 foot or less.

$$

LSZ148-191700-
Oak Point to Saxon Harbor WI-
308 AM CST Wed Nov 19 2025

.TODAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
1 foot or less.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 20 knots in
the evening. Slight chance of rain in the evening, then chance of
rain after midnight. Waves 1 foot or less.
.THURSDAY...Southwest wind 10 to 15 knots with gusts to around
20 knots becoming west with gusts to around 20 knots in the
afternoon. Chance of rain in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. Waves
1 to 2 feet.

$$

Graphical marine forecasts are available online at:
weather.gov/greatlakes

WFO DLH